Listen to Piano Concerto No. 1 in E-Flat Major, S. 124: II. Quasi adagio online. Piano Concerto No. 1 in E-Flat Major, S. 124: II. Quasi adagio is an English language song and is sung by London Philharmonic Orchestra. Piano Concerto No. 1 in E-Flat Major, S. 124: II. Quasi adagio, from the album 100 Soft Classics for Relaxation, was released in the year 2014. The duration of the song is 5:05. Download English songs online from JioSaavn.